3v4l.org

run code in 300+ PHP versions simultaneously
<?php //preg_match( '/^\[#(\d+)\]/', '[#1234] Subject', $matches); //echo $matches[0]; // 1234 if (preg_match("/php/", "php")) { print "1 Got match!\n"; } if (preg_match("/php/", "PHP")) { print "2 Got match!\n"; } if (preg_match("/php/i", "i nternet")) { print "3 Got match!\n"; }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0130.00318.43
8.3.50.0080.00721.97
8.3.40.0070.01118.61
8.3.30.0090.00619.09
8.3.20.0000.00720.16
8.3.10.0080.00021.92
8.3.00.0040.00422.50
8.2.180.0120.00316.50
8.2.170.0110.00322.96
8.2.160.0110.00720.97
8.2.150.0030.00624.18
8.2.140.0000.00924.66
8.2.130.0030.00626.16
8.2.120.0040.00419.38
8.2.110.0060.00322.15
8.2.100.0110.00017.84
8.2.90.0030.00519.09
8.2.80.0000.00817.97
8.2.70.0090.00017.75
8.2.60.0030.00617.80
8.2.50.0050.00318.07
8.2.40.0080.00018.09
8.2.30.0040.00418.02
8.2.20.0040.00417.56
8.2.10.0040.00417.82
8.2.00.0000.00717.72
8.1.280.0100.01025.92
8.1.270.0000.00823.76
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.63
8.1.230.0110.00019.10
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0000.00917.35
8.1.190.0050.00317.41
8.1.180.0050.00318.10
8.1.170.0080.00418.59
8.1.160.0050.00222.04
8.1.150.0000.00718.54
8.1.140.0030.00617.52
8.1.130.0030.00317.79
8.1.120.0000.00717.51
8.1.110.0030.00617.39
8.1.100.0070.00017.45
8.1.90.0070.00317.48
8.1.80.0040.00417.41
8.1.70.0030.00317.50
8.1.60.0030.00717.62
8.1.50.0000.00917.57
8.1.40.0040.00417.60
8.1.30.0040.00417.71
8.1.20.0030.00517.58
8.1.10.0060.00317.50
8.1.00.0000.00717.46
8.0.300.0000.00718.77
8.0.290.0070.00016.93
8.0.280.0000.00718.45
8.0.270.0040.00417.22
8.0.260.0000.00616.84
8.0.250.0030.00316.86
8.0.240.0060.00316.93
8.0.230.0000.00716.87
8.0.220.0000.00716.89
8.0.210.0000.00716.84
8.0.200.0000.00716.93
8.0.190.0050.00316.88
8.0.180.0080.00016.85
8.0.170.0000.00816.95
8.0.160.0050.00316.80
8.0.150.0050.00316.91
8.0.140.0000.00716.88
8.0.130.0030.00313.35
8.0.120.0000.00816.91
8.0.110.0000.00716.89
8.0.100.0000.00716.80
8.0.90.0070.00016.74
8.0.80.0070.01116.84
8.0.70.0040.00416.80
8.0.60.0000.00717.02
8.0.50.0000.00816.95
8.0.30.0100.01016.97
8.0.20.0090.00917.40
8.0.10.0040.00417.01
8.0.00.0130.00916.79
7.4.330.0020.00215.00
7.4.320.0000.00616.59
7.4.300.0030.00316.65
7.4.290.0070.00016.46
7.4.280.0080.00016.44
7.4.270.0020.00516.74
7.4.260.0030.00316.59
7.4.250.0000.00716.58
7.4.240.0030.00516.66
7.4.230.0080.00016.63
7.4.220.0090.01116.79
7.4.210.0080.00716.64
7.4.200.0000.00716.72
7.4.190.0000.00716.56
7.4.160.0080.00816.65
7.4.150.0040.01717.40
7.4.140.0070.01317.86
7.4.130.0100.00816.52
7.4.120.0090.01016.66
7.4.110.0060.01116.68
7.4.100.0090.00916.49
7.4.90.0130.00416.41
7.4.80.0160.00416.51
7.4.70.0160.00716.64
7.4.60.0090.00616.45
7.4.50.0050.00316.38
7.4.40.0070.00822.77
7.4.30.0100.00616.64
7.4.00.0070.00715.20
7.3.330.0030.00313.03
7.3.320.0000.00613.21
7.3.310.0000.00816.15
7.3.300.0000.00716.27
7.3.290.0100.00616.21
7.3.280.0080.01116.25
7.3.270.0130.01017.40
7.3.260.0060.01216.46
7.3.250.0100.00716.45
7.3.240.0130.00816.50
7.3.230.0150.00916.43
7.3.210.0130.00616.33
7.3.200.0170.00619.39
7.3.190.0060.01016.54
7.3.180.0000.02016.32
7.3.170.0080.00816.41
7.3.160.0080.00716.32
7.3.120.0110.00415.16
7.2.330.0150.00316.75
7.2.320.0030.01516.68
7.2.310.0090.00916.76
7.2.300.0150.00316.58
7.2.290.0110.00616.43
7.2.60.0000.00817.00
7.1.200.0100.01015.74
7.1.70.0040.00417.25
7.1.60.0040.01119.82
7.1.50.0060.01617.02
7.1.00.0030.07322.42
7.0.200.0000.00816.71
7.0.140.0000.07722.10
7.0.60.0030.04019.90
7.0.50.0100.07717.87
7.0.40.0030.05720.00
7.0.30.0170.04320.04
7.0.20.0200.07020.10
7.0.10.0230.05320.10
7.0.00.0070.05020.14
5.6.280.0100.06720.77
5.6.210.0200.07320.76
5.6.200.0030.08718.12
5.6.190.0000.05020.43
5.6.180.3770.04320.45
5.6.170.0430.05020.33
5.6.160.0070.05020.42
5.6.150.0030.04018.19
5.6.140.0130.07318.15
5.6.130.0070.08018.18
5.6.120.0100.05021.09
5.6.110.0070.07720.98
5.6.100.0070.04321.13
5.6.90.0030.06021.11
5.6.80.0030.04020.28
5.6.70.3170.03720.39
5.5.350.0070.08020.43
5.5.340.0100.07017.95
5.5.330.0070.05720.13
5.5.320.0430.07320.32
5.5.310.0230.04320.30
5.5.300.0030.06317.95
5.5.290.0070.05717.90
5.5.280.0000.04720.77
5.5.270.0070.07720.72
5.5.260.0200.06720.86
5.5.250.0100.07720.69
5.5.240.0030.04320.25
5.4.450.0200.04719.27
5.4.440.0200.04719.11
5.4.430.0300.07019.45
5.4.420.0170.06019.40
5.4.410.0230.04019.41
5.4.400.0300.03319.11
5.4.390.0270.07018.89
5.4.380.0230.04019.24
5.4.370.0270.05319.06
5.4.360.0270.03318.77
5.4.350.0300.06319.09
5.4.340.0430.07319.22
5.4.320.0170.04019.10
5.4.310.0400.05719.14
5.4.300.0200.06018.77
5.4.290.0270.06718.88
5.4.280.0230.07718.80
5.4.270.0330.06019.08
5.4.260.0170.05019.10
5.4.250.0330.04718.91
5.4.240.0200.03719.08
5.4.230.0470.06019.07
5.4.220.0200.04319.03
5.4.210.0270.06319.25
5.4.200.0230.05718.81
5.4.190.0330.06719.12
5.4.180.0200.03719.09
5.4.170.0200.04319.08
5.4.160.0230.07319.06
5.4.150.0230.03719.18
5.4.140.0200.03316.26
5.4.130.0170.05716.54
5.4.120.0270.03316.14
5.4.110.0270.06716.18
5.4.100.0130.04016.41
5.4.90.0230.06316.28
5.4.80.0230.03716.17
5.4.70.0130.07716.38
5.4.60.0200.04316.37
5.4.50.0200.05316.15
5.4.40.0130.07716.15
5.4.30.0170.04716.36
5.4.20.0200.04016.20
5.4.10.0230.07016.04
5.4.00.0200.04015.71
5.3.290.0270.03714.61
5.3.280.0200.07314.43
5.3.270.0230.04014.65
5.3.260.0230.03314.45
5.3.250.0270.06314.43
5.3.240.0230.07014.54
5.3.230.0270.04014.45
5.3.220.0130.05714.54
5.3.210.0230.07314.66
5.3.200.0230.06014.66
5.3.190.0270.06714.61
5.3.180.0200.04014.52
5.3.170.0330.06714.39
5.3.160.0170.07314.41
5.3.150.0270.06014.40
5.3.140.0200.07014.40
5.3.130.0270.07014.56
5.3.120.0170.04714.63
5.3.110.0270.03714.39
5.3.100.0170.04713.98
5.3.90.0400.05013.85
5.3.80.0230.05313.95
5.3.70.0170.04713.86
5.3.60.0170.04013.78
5.3.50.0230.04313.93
5.3.40.0200.05013.89
5.3.30.0270.07013.92
5.3.20.0270.04313.63
5.3.10.0270.05313.50
5.3.00.0230.06313.58
5.2.170.0270.03710.99
5.2.160.0200.06311.22
5.2.150.0200.04311.19
5.2.140.0130.03711.08
5.2.130.0230.03010.95
5.2.120.0230.05711.04
5.2.110.0200.05711.11
5.2.100.0170.04711.04
5.2.90.0200.06311.04
5.2.80.0230.06010.93
5.2.70.0230.05710.95
5.2.60.0270.06011.09
5.2.50.0270.06710.86
5.2.40.0200.05310.90
5.2.30.0170.03711.13
5.2.20.0200.05311.04
5.2.10.0130.02710.77
5.2.00.0100.06310.87
5.1.60.0070.03010.15
5.1.50.0100.0339.85
5.1.40.0200.0209.98
5.1.30.0130.03010.30
5.1.20.0100.02710.51
5.1.10.0070.0309.99
5.1.00.0170.05010.04
5.0.50.0130.0408.45
5.0.40.0030.0338.30
5.0.30.0170.0578.30
5.0.20.0070.0238.07
5.0.10.0070.0238.07
5.0.00.0030.0338.23
4.4.90.0070.0137.99
4.4.80.0070.0177.99
4.4.70.0100.0137.99
4.4.60.0030.0207.99
4.4.50.0030.0177.99
4.4.40.0070.0237.99
4.4.30.0070.0137.99
4.4.20.0070.0177.99
4.4.10.0030.0177.99
4.4.00.0130.0177.99
4.3.110.0070.0137.99
4.3.100.0100.0107.99
4.3.90.0070.0177.99
4.3.80.0030.0437.99
4.3.70.0030.0207.99
4.3.60.0070.0137.99
4.3.50.0070.0177.99
4.3.40.0070.0407.99
4.3.30.0030.0177.99
4.3.20.0000.0177.99
4.3.10.0030.0177.99
4.3.00.0030.0307.99

preferences:
64.46 ms | 401 KiB | 5 Q